body { margin: 0; }
.nav-container {
	position: relative;
	min-width: 600px;
	--header-hover-bgcolor: #344157;
}
.nav-container a {
	color: inherit;
	text-decoration: none;
	width: 100%;
}
.nav-container .nav-header {
	height: 60px;
	position: relative;
	background: #27303f;
	z-index: 3;
}
.nav-container .nav-header ul { 
	height: 100%;
	margin: 0;
	padding: 0 15px;
}
.nav-container .nav-header li{
	float: left;
	height: 100%;
	padding: 0 15px;
	color: #fff;
	font: normal 16px/59px "microsoft yahei";
	list-style: none;
}

.nav-container .nav-header li.hover {
	background: var(--header-hover-bgcolor);
}
.nav-container .nav-header .selected {
	background: #202833;
}
.nav-container .nav-content .selected {
	border-bottom: 3px solid #009688;
}

.nav-container .nav-content {
	position: absolute;
	top: 60px;
	width: 100vw;
	z-index: 1;
}
.nav-container .nav-content .nav-sub-menu {
	display: block;
	position: absolute;
	bottom: 0;
	width: 100%;
	background: var(--header-hover-bgcolor);
}
.nav-container .nav-content .nav-sub-menu .inner {
	display: inline-block;
}
.nav-container .nav-content .nav-sub-menu dl  {
	float: left;
	margin: 18px 60px 18px 20px;
	color: #fff;
	text-align: center;
}
.nav-container .nav-content .nav-sub-menu dl:last-of-type {
	margin-right: 20px;
}
.nav-container .nav-content .nav-sub-menu dt {
	font: 16px microsoft yahei;
	color: #61789e;
	padding-bottom: 10px;
	border-bottom: 1px solid #61789e;
	margin-bottom: 10px;
}
.nav-container .nav-content .nav-sub-menu dd {
	color: #fff;
	font: normal 14px/30px "microsoft yahei";
	margin-left: auto;
}
.nav-container .nav-content dd a:hover {
	color: #60aff6;
}